#include<bits/stdc++.h>
using namespace std;
int n,d,c[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1,x;i<=n;i++){
        scanf("%d",&x);
        c[x]++;
    }
    for(int i=1;i<=100000;i++)
        if(c[i]>=d)d=c[i];
    printf("%d",d);
    return 0;
}
